Grist | Topics | 141 Results

RESULTS		Results 126 – 141 of 141
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Headline	Author	Published	Section
'But the glaciers are not melting' Except ... they are!	Coby Beck	08 Nov 2006	Gristmill
(Part of the How to Talk to a Global Warming Skeptic guide) Objection: Sure, some glaciers are melting. But if you look at the studies, most of those for which we have data are growing. Answer: This is simply not true, rumors on "the internets" aside. The National Snow and Ice Data Centre and their State of the Cryosphere division, on their Glacial Balance page, report an overall accelerating rate of glacial mass loss. The World Glacier Monitoring Servi ...
Topics: climate, climate change skepticism, climate science, How to Talk to a Climate Skeptic (all these topics)

'Global warming stopped in 1998' Only if you flagrantly cherry pick	Coby Beck	07 Nov 2006	Gristmill
(Part of the How to Talk to a Global Warming Skeptic guide) Objection: Global temperatures have been trending down since 1998. Global warming is over. Answer: At the time, 1998 was a record high year in both the CRU and the NASA GISS analyses. In fact, it blew away the previous record by .2 degrees C. (That previous record went all the way back to 1997, by the way!) According to NASA, it was elevated far above the trend line because 1998 was the year of the ...
Topics: climate, climate change skepticism, climate science, How to Talk to a Climate Skeptic (all these topics)

'Antarctic ice is growing' Well, probably not, but even if it were, we are not off the hook	Coby Beck	06 Nov 2006	Gristmill
(Part of the How to Talk to a Global Warming Skeptic guide) Objection: The Antarctic ice sheets are actually growing, which wouldn't be happening if global warming were real. Answer: There are two distinct problems with this argument. First, any argument that tries to use a regional phenomenon to disprove a global trend is dead in the water. Anthropogenic global warming theory does not predict uniform warming throughout the globe. We need to assess the balance of ...
Topics: climate, climate change skepticism, climate science, How to Talk to a Climate Skeptic (all these topics)

'What about mid-century cooling?' No one said CO2 is the only climate influence	Coby Beck	05 Nov 2006	Gristmill
(Part of the How to Talk to a Global Warming Skeptic guide) Objection: There was global cooling in the '40s, '50s, and '60s, even while human greenhouse-gas emissions were rising. Clearly, temperature is not being driven by CO2. Answer: None of the advocates of the theory of anthropogenic global warming claim that CO2 is the only factor controlling temperature in the ocean-atmosphere climate system. It is a large and complex system, responsive on many different tim ...
Topics: climate, climate change skepticism, climate science, How to Talk to a Climate Skeptic (all these topics)

'The satellites show cooling' No, they don't	Coby Beck	04 Nov 2006	Gristmill
(Part of the How to Talk to a Global Warming Skeptic guide) Objection: Satellite readings, which are much more accurate, show that the earth is in fact cooling. I wonder how long before this one stops coming up? Answer: There are a few advantages to the satellite readings,mainly the more uniform global coverage and the fact that readings can be taken at different altitudes. However, it is an extremely complicated process which uses microwaves emitted by the oxygen i ...
Topics: climate, climate change skepticism, climate science, How to Talk to a Climate Skeptic (all these topics)

'It's cold today in Wagga Wagga' Weather and climate are different	Coby Beck	03 Nov 2006	Gristmill
(Part of the How to Talk to a Global Warming Skeptic guide) Objection: It was way colder than normal today in Wagga Wagga, proof that there is no global warming. Does this even deserve an answer? If we must ... Answer: The chaotic nature of weather means that no conclusion about climate can ever be drawn from a single data point, hot or cold. The temperature of one place at one time is just weather, and says nothing about climate, much less climate change, much less ...
Topics: climate, climate change skepticism, climate science, How to Talk to a Climate Skeptic (all these topics)

'The temperature record is simply unreliable' Perhaps, but temperature trends are clear and widely corroborated	Coby Beck	02 Nov 2006	Gristmill
(Part of the How to Talk to a Global Warming Skeptic guide) Objection: The surface temperature record is full of assumptions, corrections, differing equipment and station settings, changing technology, varying altitudes, and more. It is not possible to claim we know what the "global average temperature" is, much less determine any trend. The IPCC graphs only say what the scientists want them to say. Answer: There is actually some truth to the part about ...
Topics: climate, climate change skepticism, climate science, How to Talk to a Climate Skeptic, IPCC (all these topics)

'Glaciers have always grown and receded' A few glaciers melting does not mean global warming	Coby Beck	01 Nov 2006	Gristmill
(Part of the How to Talk to a Global Warming Skeptic guide) Objection: A few glaciers receding today is not proof of global warming. Glaciers have grown and receded differently in many times and places. Answer: Firstly, it is more than "a few glaciers" that are receding; it is a pervasive, sustained, and accelerating global trend. The National Snow and Ice Data Centre (NSIDC) maintains a chart of global glacier mass balance, and for as far back as ...
Topics: climate, climate change skepticism, climate science, How to Talk to a Climate Skeptic (all these topics)

'One record year is not global warming' Luckily, there are plenty more years to consider	Coby Beck	31 Oct 2006	Gristmill
(Part of the How to Talk to a Global Warming Skeptic guide) Objection: So 2005 was a record year. Records are set all the time. One really warm year is not global warming. Answer: This is actually not an unreasonable point -- single years taken by themselves can not establish or refute a trend. So 2005 being the hottest globally averaged temperature on record is not convincing. Then how about: every year since 1992 has been warmer than 1992; the ten hottest y ...
Topics: climate, climate change skepticism, climate science, How to Talk to a Climate Skeptic (all these topics)

'The scientists aren't even sure' No scientist ever is	Coby Beck	30 Oct 2006	Gristmill
(Part of the How to Talk to a Global Warming Skeptic guide) Objection: Even the scientists don't know that the climate is changing more than normal and if it's our fault or not. If you read what they write it is full of 'probably,' 'likely,' 'evidence of' and all kinds of qualifiers. If they don't know for sure, why should we worry yet? Answer: Probability is the language of science. There is no proof; there are no absolute certainties. Scientists are always aware that n ...
Topics: climate, climate change skepticism, climate science, How to Talk to a Climate Skeptic (all these topics)

'One hundred years is not enough' Yes it is	Coby Beck	29 Oct 2006	Gristmill
(Part of the How to Talk to a Global Warming Skeptic guide) Objection: One hundred and some years of global surface temperatures is not long enough to draw any conclusions from or worry about anyway. Answer: The reliable instrumental record only goes back 150 years in the CRU analysis, 125 in the NASA analysis. This is a simple fact that we are stuck with. 2005 was the warmest year recorded in that period according to NASA, a very close second according to CRU. Because ...
Topics: climate, climate change skepticism, climate science, How to Talk to a Climate Skeptic (all these topics)

'Warming is due to the Urban Heat Island effect' No, it isn't	Coby Beck	28 Oct 2006	Gristmill
(Part of the How to Talk to a Global Warming Skeptic guide) Objection: The apparent rise of global average temperatures is actually an illusion due to the urbanization of land around weather stations, the Urban Heat Island effect.Answer: Urban Heat Island Effect has been examined quite thoroughly (PDF) and found to have a negligible effect on temperature trends. Real Climate has a detailed discussion of this here. What's more, NASA GISS takes explicit steps in th ...
Topics: climate, climate change skepticism, climate science, How to Talk to a Climate Skeptic (all these topics)

'Mauna Loa is a volcano' CO2 rise is measured on top of a volcano!	Coby Beck	27 Oct 2006	Gristmill
(Part of the How to Talk to a Global Warming Skeptic guide) Objection: CO2 levels are recorded on top of Mauna Loa ... a volcano! No wonder the levels are so high. (image courtesty of Global Warming Art)Answer: Yes, it's true, Mauna Loa is an active volcano. In fact it's the biggest volcano on earth! So, should we suppose that Charles Keeling didn't know that? Well, no, he did know it. And using subtle scientific indicators like "wind direction," he was even a ...
Topics: climate, climate change skepticism, climate science, How to Talk to a Climate Skeptic (all these topics)

'There is no evidence' Yes, there is	Coby Beck	26 Oct 2006	Gristmill
(Part of the How to Talk to a Climate Skeptic guide) Objection: Despite what the computer models tell us, there is actually no evidence of significant global warming. Answer: Global warming is not an output of computer models; it is a conclusion based on observations of a great many global indicators. By far the most straightforward evidence is the actual surface temperature record. While there are places -- in England, for example -- that have records going back several ...
Topics: climate, climate change skepticism, climate science, How to Talk to a Climate Skeptic (all these topics)

Climate Wars III: Return of the Scientists	David Roberts	10 Dec 2004	Gristmill
Legitimate climate scientists are at something of a disadvantage. They do careful research and publish peer-reviewed papers in scientific journals. Then a squadron of industry-funded pseudo-scientist hacks descends on the popular media to stir up doubt and confusion. By the time the scientists can defend their work in, say, Science, popular attention has moved on. Thus the false sense in the American public that there is real scientific uncertainty about the basic fact ...
Topics: climate, climate change skepticism, climate science (all these topics)

It's gettin' hot in herre	Lisa Hymas	01 Nov 2004	Gristmill
The New York Times editorial page took the Bushies to task yesterday for ignoring and distorting science on climate change, echoing accusations made by NASA's top-dog climatologist, Jim Hansen. Speaking in Iowa last week, Hansen castigated the Bush administration for its failure to face up to facts and act, and he 'said that he had been instructed by Sean O'Keefe, administrator of [NASA], not to discuss publicly the human contribution to global warming,' the Times writes ...
Topics: climate, climate change skepticism, climate science, James Hansen (all these topics)

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